[SCSI] aic79xx: fix bracket mismatch in unused macro

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/aic7xxx/aic79xx_pci.c

@@ -88,7 +88,7 @@ ahd_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
 
 #define SUBID_9005_LEGACYCONN_FUNC(id) ((id) & 0x20)
 
-#define SUBID_9005_SEEPTYPE(id) ((id) & 0x0C0) >> 6)
+#define SUBID_9005_SEEPTYPE(id) (((id) & 0x0C0) >> 6)
 #define		SUBID_9005_SEEPTYPE_NONE	0x0
 #define		SUBID_9005_SEEPTYPE_4K		0x1